NZQA unit standard / 31190 version 1
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Title / Identifyand presenttrees found in arboriculture situations
Level / 4 / Credits / 6
Purpose / This unit standard is for people working in an arboriculture context.
People credited with this unit standard are able to: identify, photograph or press, label, and present trees commonly found in New Zealand arboriculture situations; and verbally communicate the botanical names of trees commonly found in New Zealand.
Classification / Horticulture > Arboriculture
Available grade / Achieved

Guidance Information

1References relevant to this standard includes but is not limited to:

  • International Association for Plant Taxonomy, International Code of Nomenclature (ICN) for algae, fungi, and plants (2011), available from
  • International Society for Horticultural Science, International Code of Nomenclature for Cultivated Plants (ICNCP) (2016), available from

2Definitions

In the context of this unit standard, cultural requirements refer to aspects of tree requirements that would be impacted by environmental variation. These would include aspects such as how frost tender the species is, soil tolerances, and climatic requirements.

Unique identifier refers to a personal identifying object in the photograph that is used to confirm that thelearners took the photograph themselves.

3Trees selected for presentation must not include those already assessed in another credited unit standard for a similar outcome on identifying, photographing, labelling and presenting trees commonly found in New Zealand arboriculture situations.

Outcomes and performance criteria

Outcome 1

Identify, photograph or press, label, and present trees commonly found in New Zealand arboriculture situations.

Rangeevidence is required for at least forty trees.

Performance criteria

1.1Identify and photograph tree specimens to show form and shape of tree; includea unique identifier.

1.2Label and present each photograph or pressed tree specimens with identifying features and uses stated.

Range botanical name, family name, common name, identifying features, cultural requirements, uses;

identifying features may include but are not limited to – deciduous or evergreen; native or exotic; leaves simple or compound; leaves – shape, colour, arrangement; special features, such as bark, significant flowers, fruiting characteristics; tree – shape or form, size, growth rate; location;

uses may include but are not limited to – street trees, small garden, shelter belts, woodlot, erosion control, parkland, production, climate control.

Outcome 2

Verbally communicate the botanical names of trees commonly found in New Zealand arboriculture situations.

Rangeevidence is required for at least twenty trees.

Performance criteria

2.1Verbally communicate scientific names for trees in a way that would be acceptable to those with arboriculture or botanical expertise.

Replacement information / This unit standard and unit standard 31188 replaced unit standard 17150.
Planned review date / 31 December 2023

Status information and last date for assessment for superseded versions

Process / Version / Date / Last Date for Assessment
Registration / 1 / 26 April 2018 / N/A
Consent and Moderation Requirements (CMR) reference / 0032

This CMR can be accessed at

Comments on this unit standard

Please contact the Primary ITO if you wish to suggest changes to the content of this unit standard.

Primary Industry Training Organisation
SSB Code 101558 / New Zealand Qualifications Authority 2018